Narvi (moon)

Summary

Narvi
Narvi.jpg
Narvi's discovery image
Discovery
Discovered byScott S. Sheppard et al.
Discovery date11 April 2003
Designations
Pronunciation/ˈnɑːrvi/
S/2003 S 1
Orbital characteristics[1]
19226600 km
Eccentricity0.2990
−995.33 days
Inclination136.803°
Satellite ofSaturn
GroupNorse group
Physical characteristics
Mean diameter
7+50%
−30%
 km
[2]
10.21±0.02 h[2]
23.8

Narvi /ˈnɑːrvi/ or Saturn XXXI is a natural satellite of Saturn. It was discovered by a team of astronomers led by Scott S. Sheppard in 2003, and given the temporary designation S/2003 S 1.

Description

Narvi is about 7 kilometres in diameter, and orbits Saturn at an average distance of 19,371,000 km in 1006.541 days, at an inclination of 136.8° to the ecliptic (109° to Saturn's equator), in a retrograde direction and with an eccentricity of 0.2990. Narvi's rotation period is 10.21±0.02 hours.[2]

Naming

It was named in January 2005 after Narfi, a giant in Norse mythology. The name was approved by the IAU Working Group on Planetary System Nomenclature on 21 January 2005.

References

  1. ^ S.S. Sheppard (2019), Moons of Saturn, Carnegie Science, on line
  2. ^ a b c Denk, T.; Mottola, S. (2019). Cassini Observations of Saturn's Irregular Moons (PDF). 50th Lunar and Planetary Science Conference. Lunar and Planetary Institute.

External links

  • IAU Working Group for Planetary System Nomenclature
  • IAUC 8116: Satellites of Jupiter and Saturn April 11, 2003 (discovery)
  • MPEC 2003-G39: S/2003 S 1 April 8, 2003 (discovery and ephemeris)
  • IAUC 8471: Satellites of Saturn January 21, 2005 (naming the moon)